United States 3G Mobile Coverage Explorer, 2018

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Abstract/Contents

Abstract: This raster dataset is a representation of the coverage area for 3G mobile communications networks in The United States. Mobile Coverage is released annually in January each year. This data release is named 2018. Any operator data received up to the end of the year 2017 is included in this release. The data is made available in GeoTIFF 2-BIT raster format with pre-built pyramids using nearest-neighbour resampling - with a nominal resolution of approximately 260 metres on the ground at the equator. Operators are asked to submit strong (indoor) and variable (outdoor) signal strengths: 2G (GSM) Greater than / -92 dBm -92 to -100 dBm, 3G (UMTS) Greater than -92 dBm / -92 to -100 dBm, 4G (LTE) Greater than -105 dBm / -105 to -120 dBm. However, the data received from operators often does not include signal strength information or does not follow the above guidelines. Therefore, whilst the rasters retain the strong and variable distinctions, this inconsistency must be understood by the user.The cell values in the MCE rasters are as follows: 1 - strong signal strength 2 - variable signal strength.

Type of resource	cartographic, software, multimedia
Form	GeoTIFF
Extent	10.046
Place	Glasgow, GB
Publisher	Collins Bartholomew Ltd.
Publication date	2018
Language	English
Digital origin	born digital
Map data	Scale not given. ; Custom projection W 163°52ʹ55ʺ--W 62°37ʹ51ʺ/N 71°6ʹ32ʺ--N 17°21ʹ35ʺ, Scale not given ; EPSG::4326

Creator	Collins Bartholomew Ltd.

Subject	Wireless communication systems
Subject	United States
Subject	2018
Subject	Utilities and Communication
Genre	Geospatial data
Genre	Cartographic dataset

Supplemental information	Operators are asked to submit strong (>= -92dBm) and variable (>= -100dBm and < 92dBm) signal strengths as part of their submissions. The data here includes both types but does not make a distinction between the two.
WGS84 Cartographics	This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.
Location	https://purl.stanford.edu/cx580gk3367

Use and reproduction: These data are licensed by Stanford Libraries and are available to Stanford University affiliates only. Affiliates are limited to current faculty, staff and students. Non affiliates seeking access should contact the publisher directly. These data may not be reproduced or used for any purpose without permission.
Copyright: Copyright ownership resides with the originator.

Collins Mobile Coverage Explorer

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